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Python Application Developer Jobs in Toronto, ON

Bayview Asset Management

Application Developer

Toronto, ON · On-site

CA$110K - CA$150K/yr

POSITION SUMMARY Bayview is seeking a Application Developer to develop applications that integrate ... Design, build, and maintain full-stack applications using Python and modern frontend frameworks (e ...

McMillan LLP

Enterprise Application Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

The Enterprise Application Developer is responsible for defining, designing, developing ... Java, JavaScript, PHP, C#, C/C++, Python, ASP.NET * 3+ years of experience developing RESTful APIs ...

Scotiabank

Senior Application Developer

Toronto, ON · On-site

The position is for a Senior Application Developer within the Group Treasury-Liquidity Risk group ... Python, PySpark, or Scala * 5+ years hands-on experience with RDBMS Systems Server. Postgres ...

TMX Group

Senior C++ Application Developer

Toronto, ON · Hybrid

We value developers who stay efficient by leveraging AI agentic tools to speed up their workflow ... Develop sophisticated scripts (Python, Bash) to automate repetitive tasks, optimize CI/CD pipelines ...

TMX Group

Senior Application Developer

Toronto, ON

We are seeking a highly skilled C++ Developer to design, build, and optimize high-performance ... Python * SQL (Oracle) * Bitbucket * JIRA * Confluence * Co-pilot In addition, we are looking for ...

Atyeti Inc

Sr Python Developer

Toronto, ON · On-site

... using Python. * Collaborate with cross-functional teams including frontend, DevOps, and QA to ... Optimize application performance and scalability. * Write clean, maintainable, and well-documented ...

ArcelorMittal

App. Data & BI Developer

Concord, ON · On-site +1

$115K/yr

Application Development & Enhancements * Design, develop, and enhance .NET MVC applications ... Support and extend Python-based automation processes and data workflows. * Implement and maintain ...

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Python Application Developer information

What is the difference between Python Application Developer vs Python Software Engineer?

AspectPython Application DeveloperPython Software Engineer
Required CredentialsBachelor's in CS or related field, Python certificationsBachelor's or higher in CS, Python certifications often preferred
Work EnvironmentDevelops specific applications, often client-focusedDesigns and develops software solutions, broader scope
Employer & Industry UsageTech companies, startups, enterprise softwareTech firms, software companies, consulting
Common Search & ComparisonFocuses on application development tasksEncompasses broader software engineering roles

Python Application Developers primarily focus on creating specific applications using Python, often working closely with clients or project teams. Python Software Engineers typically have a broader role, including designing, developing, and maintaining complex software systems. While both roles require similar credentials and work environments, the Application Developer role is more targeted towards application creation, whereas the Software Engineer may handle a wider range of software development tasks.

What are some common challenges Python Application Developers face when working on large-scale projects?

Python Application Developers often encounter challenges such as managing complex codebases, ensuring consistent code quality, and optimizing application performance as projects grow in size. Collaborating with cross-functional teams and integrating various third-party libraries can also introduce compatibility issues or technical debt. To address these challenges, developers typically follow best practices like using version control, implementing thorough testing strategies, and participating in regular code reviews to maintain project stability and scalability.

What are the key skills and qualifications needed to thrive as a Python Application Developer, and why are they important?

To thrive as a Python Application Developer, you need proficiency in Python programming, a solid understanding of software development principles, and experience with frameworks like Django or Flask, typically supported by a degree in computer science or related field. Familiarity with version control systems such as Git, databases like PostgreSQL or MongoDB, and cloud platforms is often required, along with optional certifications such as PCEP or PCAP. Strong problem-solving abilities, effective communication, and teamwork skills help you collaborate efficiently and adapt to evolving project requirements. These skills ensure you can build robust, maintainable applications and contribute effectively to development teams.

Will AI replace Python coders?

AI is unlikely to fully replace Python application developers, as they require problem-solving, creativity, and understanding of complex systems that AI cannot replicate. Instead, AI tools can assist developers by automating repetitive tasks and enhancing productivity, making their roles more efficient. Staying updated with new technologies and developing skills in AI integration can help Python developers remain valuable in the evolving tech landscape.

Are Python still in demand in 2026?

Python application developers remain in high demand in 2026 due to Python's widespread use in data science, machine learning, web development, and automation. Skills in frameworks like Django or Flask, along with knowledge of libraries such as Pandas or TensorFlow, enhance job prospects in this field.

Which pays more, C++ or Python?

For a Python Application Developer, salaries for C++ and Python skills are often comparable, with factors like experience, industry, and location influencing pay. Generally, C++ developers may earn slightly more in specialized fields such as systems or game development, but Python developers are in high demand across data science, web development, and automation. Both skills are valuable, and compensation depends on the specific role and expertise level.

What are Python Application Developers?

Python Application Developers are software professionals who design, build, test, and maintain applications using the Python programming language. They work on a variety of projects, ranging from web and desktop applications to data analysis tools and automation scripts. These developers are skilled in Python frameworks and libraries and often collaborate with other developers, designers, and stakeholders to deliver functional and efficient software solutions.

Are Python developer jobs in demand?

Python developer jobs are in high demand across various industries such as technology, finance, and data science due to Python's versatility and widespread use in web development, automation, and machine learning. Employers seek professionals with skills in frameworks like Django or Flask, and knowledge of data analysis tools, making Python development a strong career choice with steady growth prospects.
What are popular job titles related to Python Application Developer jobs in Toronto, ON? For Python Application Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Python Application Developer jobs in Toronto, ON look for? The top searched job categories for Python Application Developer jobs in Toronto, ON are:
Python Application Developer jobs near you
Infographic showing various Python Application Developer job openings in Toronto, ON as of June 2026, with employment types broken down into 1% Locum Tenens, 89% Full Time, 4% Part Time, 4% Contract, and 2% Nights. Highlights an 81% Physical, 7% Hybrid, and 12% Remote job distribution.
Software Engineer - Cloud & Python

Software Engineer - Cloud & Python

Citi

Mississauga, ON • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Job Summary

The Prime Analytics team is undertaking multi-year growth initiatives, expanding its platform offering to empower market quants and product development teams. This expansion focuses on leveraging Python for analytics, hosting new data platforms, and building robust monitoring and observability capabilities. We are seeking a highly motivated and skilledAssistant Vice President (AVP), Python Developer, to join our team in Tampa, Florida. This role requires strong expertise in Python and Apache Airflow, along with the ability to collaborate directly with market quants and various development teams to build and enhance our analytics platform. You will play a crucial role in delivering innovative technical solutions, contributing to architectural excellence, and providing technical guidance.

Responsibilities

  • Technical Contribution & Collaboration:
    • Partner with market quants and various technology teams to ensure the seamless integration of functionalities, achieve strategic goals, and identify system enhancements for new product deployments and process improvements.
    • Contribute to the resolution of high-impact problems and projects through in-depth evaluation of complex business processes, system architectures, and industry standards.
    • Apply strong expertise in application programming and actively ensure that application designs adhere to the overall architectural blueprint and best practices.
    • Utilize advanced knowledge of system flow to contribute to and uphold standards for coding, testing, debugging, and implementation.
  • Problem Solving & Innovation:
    • Develop a comprehensive understanding of how different areas of the business, particularly architecture and infrastructure, integrate to achieve overarching business goals.
    • Provide in-depth analysis and interpretive thinking to define complex issues and develop innovative, scalable solutions.
  • Risk Management & Compliance:
    • Appropriately assess risk when technical and business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets.
    • Drive compliance with applicable laws, rules, and regulations, adhere to Policy, apply sound ethical judgment regarding personal behavior, conduct, and business practices, and escalate, manage, and report control issues with transparency.

Qualifications

  • Experience:
    • 3-5 years of hands-on application development experience.
    • 3+ years of dedicated Python application development experience.
    • Proven experience contributing to successful project delivery and technical initiatives.
  • Technical Expertise (Required):
    • Core Python:Strong proficiency in Python development, including best practices, object-oriented programming, and performance optimization.
    • Web Services & APIs:Experience developing and consuming RESTful APIs and web services.
    • Frameworks:Hands-on experience with web frameworks, particularly FAST API.
    • Data Formats:Proficient in working with JSON and other data interchange formats.
    • Workflow & Messaging:Experience with Apache Airflow for workflow orchestration and Apache Kafka for real-time data streaming.
    • Cloud & Storage:Experience with cloud storage solutions like Amazon S3.
    • Databases:Solid understanding and experience with relational databases such as SQL Server and Oracle Database.
    • DevOps:Familiarity and experience with cloud-native technologies (e.g., Amazon EKS), containerization (Docker), and CI/CD pipeline implementation.
    • Observability:Experience with observability tech stacks like Grafana for logs, traces, and metrics, as well as OpenTelemetry.
  • Technical Expertise (Plus):
    • Experience with advanced data technologies such as Trino, Starburst, Pinot, and Spark.
  • Soft Skills & Leadership:
    • Ability to adjust priorities quickly as circumstances dictate and thrive in a dynamic, fast-paced environment.
    • Demonstrated ability to take initiative and ownership, contributing significantly to team success and project outcomes.
    • Strong problem-solving skills with an ability to analyze and resolve complex technical and business challenges.
    • Consistently demonstrates clear, concise, and effective written and verbal communication skills, able to articulate technical concepts clearly to diverse audiences.
  • Work Arrangement:
    • Work in the office for three days each week, subject to adjustments based on company policy.

Education

  • Bachelor’s degree/University degree or equivalent experience in Computer Science, Engineering, or a related quantitative field.
  • Master’s degree preferred.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Primary Location Full Time Salary Range:$120,800.00 - $170,800.00

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Most Relevant Skills Please see the requirements listed above.

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Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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This job opening is for an existing job vacancy.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

 

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.

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